參數(shù)資料
型號: SMM105NNR05
廠商: Summit Microelectronics, Inc.
英文描述: Single-Channel Supply Voltage Marginer and Active DC Output Controller
中文描述: 單通道供電電壓Marginer和有源直流輸出控制器
文件頁數(shù): 11/21頁
文件大?。?/td> 384K
代理商: SMM105NNR05
SMM105
Preliminary Information
Summit Microelectronics, Inc
2068 1.8 09/20/05
11
RTRIM(R3) is calculated as follows:
VTRIMlow=0.3V, Regulator VREF=0.8V
The current through R3 is ITRIM=(0.8-0.3)/RTRIM
(ITRIM)(R4) > 15% of VOUT
RTRIMmax should be < the calculated value
For Example:
If Vout=3.3V, R4=63.4K, 15% of Vout=0.5V
ITRIM=8uA, RTRIM=62.5K
Therefore Rtrim standard 1% value down from 62.
C5
0.02uF
R6 10K
C1
1uF
START
R7 10K
R5
20k
C7
0.01uF
J1
1
3
5
7
9
2
4
6
8
10
Gnd
Rsrv5
+10V
+5V
SCL
MR
Rsrv8
Rsrv10
START
U1
SMM105
1
2
3
5
4
6
7
8
9
10
11
12
1
14
19
1
1
1
18
20
2
2
2
2
2
2
2
28
SCL
SDA
A2
START
READY
FAULT#
A1
A0
G
WP#
V
FILT_CAP
COMP2
N
VM
N
N
N
TRIM_CAP
COMP1
TRIM
V
1
V
N
N
N
N
R3
RTRIM
FAULT#
D1
DIODE
READY
VOUT
SMX3200 I2C Programming
Connector 10 pin Header
R1 and R2 need only be
placed once on the I2C bus
C4
0.1uF
R1 10K
R2 10K
R8 10K
C8
U2
Switching Regulator
+Vout
G
+Vin
VADJ (VREF)
PGOOD
The SMM105 START pin must be inactive during power-up so
that the TRIM pin is high impedence. Once power is nominal,
the START pin can be active to start margin and ADOC
functions
R4
RSET1
+12VIN (+10V to +15V)
Figure 7 – SMM105 Applications schematic for an adjustable switching regulator (Full regulator circuit not
shown).
APPLICATIONS INFORMATION (CONTINUED)
相關(guān)PDF資料
PDF描述
SMM150ER04 Single-Channel Supply Voltage Marginer/Monitor
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SMM150NCR01 Single-Channel Supply Voltage Marginer/Monitor
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